Finding the Fourth Proportional to 97,923.88, 135,135.81 and 53,211.88
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Solution
The fourth proportional to 97,923.88, 135,135.81 and 53,211.88 is: 73,432.85
Step by Step Solution
- Step 1: Write the proportion equation
97,923.88 : 135,135.81 = 53,211.88 : x - Step 2: Convert to fraction form
97,923.88/135,135.81 = 53,211.88/x - Step 3: Cross multiply
97,923.88x = 135,135.81 × 53,211.88 - Step 4: Simplify right side
97,923.88x = 7,190,829,563.68 - Step 5: Solve for x
x = 7,190,829,563.68/97,923.88 - Step 6: Final answer
x = 73,432.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.